Automatic overflow control



' p 1932- F. o. JOHNSON 1,877,405

AUTOMATIC OVERFLOW CONTROL Filed June 23, 1931 I/V VZ/V TOR 755mm 0. Jam50m Patented Sept. 13, 1932 .FQEDERIGKO. aoH soN, 0]? LONG BEACH,cnnrronnrn I AUTOMATIC OVERFLOW CONTROL.

Application filed June 23,

This invention relates to an automatic overflow control whereby a tub ofwater is prevented fromrunning over if the faucet is accidentally eftopen. V

'(5 7 An object of invention is to provide a novel means whereby thefiow of water into the tub is automatically stopped when a predeterminedheight of water has been drawn into the tub.

Another object is to provide a device of the character stated whichisattachable to the present well known type of plumbing fitting used inmodern bathroom installations. i i i A feature of my invention residesin the automatic closure of a valve when the water has reached apredetermined height and then over-flows into a trip chamber.

I Still another object is to provide a novel "3Q tripping means'actuatedby the weight of water in a tube which acts to operate "a quick closingvalve and thus shut Off the sup ply of water. V Other objects,advantages, and'featu'res of invention may appear from the accompanyingdrawing, the subjoined detailed description and the appended claims.

In the drawing Y Figure 1 is a front elevation of my automatic over-flowcontrol.

Figure 2 is a fragmentary, transverse, sec tional View of thef'same.

Figure 3 is a fragmentary side View of the tripping mechanismf'and thetrip setting means. V y

Referring more particularly to the drawing, the numeral 1 indicates atube stand which is positioned adjace'ntto the tub and at one endthereof, all in theusual and well known manner understood by thoseskilled 1931. Serial No. 546,194,

ply pipe 6 and the details of this Valve will be further described. Afitting 8 is attached to the upper end of the ub 1 and this fi ting isalsopr'ovidedwith outlet tap 9 to which avfaucet of usual and well,known design is secured, and thru which the water pours into the tub.

A sleeve 10 is slidably mounted in the tube 1 and when thissleeve-i'islowered, it rests upon a seat 11 and prevents the water from drainingout of the tub. As the. water rises in the tub, and also in the tube 1,it'may flow over the top of the sleeve 10 and thus drain out of the tub,but this drain is suflicient to prevent the tub from overeflowing whenthe fauce s 3 0r are u ne onthe f ll am u The tub would continue to filland would eventually over-flow unless the supply of water is stopped. vp i The sleeve 10 is raised and lowered manually bymeans of a'shaft 12which extends out of the top of the tube 1. The shaft 12 is attached'atits upper end to a .U-shaped link 13, and this link is actuated by thefollowing mechanism: A casting leis secured to the link 13 and thecastingis provided at its upper end with a plate 15. A cam 16 is securedto the inner end of a shaft 17 which shaft is rotated by thehandle 18.It will be evident that as the handle 18 is rotated, the cam 16 willmove the casting l4 upwardly toraise the sleeve 10 or on furtherrotation of the handle, the sleeve will be lowered upon its seat. V V

A cylinder 19 is mounted adjacent to the tube 1, and a drain-pipe 20extendsfrom the bottom ofithecylinder 19 into the fitting 2 so thatwater will drain out of the cylinder into the sewer.

A basket 21 is slidably mounted in the cylinder 19, and this basket isprovided with a small drain hole 22 in the'bottom thereof. b

This drain-hole is not sufficiently large so as to materiallyefi'ect'the movement-of the] basket when water pours into the top of thesame, but merely acts to gradually drain the water therefrom after thewater from the main supply has been stopped, as will befurtherdescribed. The basket 21 isopen at the top and water is. adm tednto the cylin- TES' P TENT-[O ICE I der 19. The port 2& is

sleeve so that water will pour into the 7 cylinder a proper amount in ader 19 thru acolla-r 23 which encirclesthe tube 1 and is attached to thetop of the 19. r i

. A port2l extends from the tube 1 thru the collar 23 and thence intothe top of the cylinbelow the top of the cylinder 19 beforeit starts todrain over the top ofthe sleeve. thecylinder'19, it will fill the basket21, thus materially increasing the weight of the basket and, willtherefore urge the .same downwardly.

A wire or cable 25 is attached to the basket 21and extends upwardly thruthe collar 23. The wire is secured atits upper end to a lever 26'whichlever is pivotally mounted on an arm 27 which rises from thefitting 8. A counter-weight 28 .is adju'stably mounted on one end of thelever 261 and the purpose of the counter-weight is to slightlyover-balance the weight of the basket 21 when empty.:

A roller 29 is mounted on the lever 26' for the purpose of holding thequick closing valve 7 open, in thefollowing manner: A stem 30; extendsfrom'the valve 7 and a cam disc 31' is firmly secured to the outer endof the stem. Y The disc is provided with a shoulder 32 which engages theroller 29 and'thus holds the disc against movement in counter clock-wisedirection, asviewed in Figure 3. Thedisc is urged in counterclock-'wisedirection-by means of a spring 33 which is suitably attachedto theidisc r a I A coupling'ro'd 3 1 isattached to the disc 31 at itslower end, and to thelink 13 at its upper end. 'This rod is preferablymade adjustable as to length so that the disc 31 will be rotatedclock-wise direction when the link 13 is moved upwardly. When the handle18 is operated to raise the sleeve 10 and drain the tub, this samemovement will rotate'the disc 31 thru the medium of the rod 3 1 and thecounter-weight 28 will swing the lever 26 on itspivot and will cause theroller 29 to engage the shoulder 32.

The spring 33is now intension. "When the disc 31 is in the positionshown in Figures 1 and 3, the valve 7 is open to permit water to flowinto the tub.

,When it is desired to fill the tub with water,

the handle 18 is rotated andthe sleeve 10 is lowered upon the seat 11.The rod 34 is slidably attached to the disc 31 at its lower end and thussaid rod can move downwardly withoutdisturbing the cocked position ofthe disc.

' The water faucets 3 or a are now opened, and

water flowsthru the intake pipe 6 and into the tub thru thetap 9; WVhenthe water starts to'fiow'thru the port 24;, the basket21 is filled andthe additional weight of'the water overcomes the counterweight 28 andthelever 26 is swung on its: pivot to move the roller '29 from under theshoulder 32. The spring As the water pours into.

7 ing an intake pipe, engaging open, means urging the valve into closedposifrom the basket tothe 33 then acts to rotate the disc 31 and theshaft 30 which closes the quick acting valve 7.

In order to drain the water'from the tub,

the handle 18 must be again rotated to raise the sleeve 10, and thisaction will again open the valve? and cock the disc 31 as previouslydescribed.

Having described my invention, 1' claim:

. 1. An automatic over-flow control comprisa valve in said pipe, means.the valve whereby the same is held tion, a cylinder, a basket in saidcylinder, liquid intake-means into by the basket is filled and meansextending means holding the valve open, whereby said holding means is 2released when thebasket is filled. Y i 1 2. An automatic over-flowcontrol comprising an intake pipe,'a valve in said pipe, a stemextending from the valve, a disc secured to said stem, spring meansengaging the disc to urge the valve to closed position, means en gagingthe disc whereby the valve is held in open position, a cylinder, abasket in said cylinder, water intake means at the upper end saidcylinder where- Y of said cylinder whereby water is admitted 7 into thebasket, and means extending from the basket to said first named Y i thefirst named means are released to permit closing of said valve.

3. An automatic ov ing an intake pipe, extending from tlie valve, a discsecured'to said stem, springmeansengaging the disc to urge the valvetoclosed position, a lever pivotally mounted adjacent said disc, der onthe disc, a roller on the lever engaging said shoulder'whe'reby thevalve is held in open position, a cylinder, a basket in the cylinder,water intake means at thetop of said cylinder whereby water is admittedinto the basket, a wireextending from the basket'to the lever wherebythe lever is swung on its pivot to "release the roller from undersaidshoulder whereby the valve is urged into closed position by saidfspringmeans.

4:. An automatic over-flow control'forbath tubs and the like, comprisinga tube, a drain means whereby a shouler flow controlcompris avalve 1nsaid pipe, a stem lbs top of the sleeve, manual means to whichsaid"shaft extends whereby the shaft, and sleeve are raisedand lowered inthe tube, a'cylinder a basket in said cylinder, a collar surroundingsaid tube and. attached to said cylinder, said collar having a porttherethru thru which water flows intothe basket, an intake pipe, a valvein said pipe, a stem extending from the valve, a disc on the stem, levermeans engaging said disc wherebythe valve is held in open position, awire extending from/said lever means to said basket, spring means engaging said disc whereby the valve is urged to closed position, andmeans extending from said disc to said sleeve actuating means wherebysaid disc is rotated and the valve is opened when said sleeve actuatingmeans are manipulated. 4 1

In testimony whereof, I affix my signature.

FREDERICK O. JOHNSON.

